diff --git a/yarn.lock b/yarn.lock
index 4dd0bea..1c5fb7e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1366,10 +1366,10 @@ caniuse-lite@^1.0.30000963:
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000967.tgz#a5039577806fccee80a04aaafb2c0890b1ee2f73"
   integrity sha512-rUBIbap+VJfxTzrM4akJ00lkvVb5/n5v3EGXfWzSH5zT8aJmGzjA8HWhJ4U6kCpzxozUSnB+yvAYDRPY6mRpgQ==
 
-chalk@^2.0.0, chalk@^2.4.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
-  integrity sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==
+chalk@^2.0.0, chalk@^2.4.1, chalk@^2.4.2:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
   dependencies:
     ansi-styles "^3.2.1"
     escape-string-regexp "^1.0.5"
@@ -3985,13 +3985,13 @@ postcss-value-parser@^3.3.0, postcss-value-parser@^3.3.1:
   integrity sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==
 
 postcss@^7.0.5, postcss@^7.0.6:
-  version "7.0.7"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.7.tgz#2754d073f77acb4ef08f1235c36c5721a7201614"
-  integrity sha512-HThWSJEPkupqew2fnuQMEI2YcTj/8gMV3n80cMdJsKxfIh5tHf7nM5JigNX6LxVMqo6zkgQNAI88hyFvBk41Pg==
+  version "7.0.36"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.36.tgz#056f8cffa939662a8f5905950c07d5285644dfcb"
+  integrity sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==
   dependencies:
-    chalk "^2.4.1"
+    chalk "^2.4.2"
     source-map "^0.6.1"
-    supports-color "^5.5.0"
+    supports-color "^6.1.0"
 
 pretty-error@^2.0.2:
   version "2.1.1"
@@ -4913,6 +4913,13 @@ supports-color@^5.1.0, supports-color@^5.3.0, supports-color@^5.5.0:
   dependencies:
     has-flag "^3.0.0"
 
+supports-color@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
+  integrity sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==
+  dependencies:
+    has-flag "^3.0.0"
+
 tapable@^1.0.0, tapable@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.1.1.tgz#4d297923c5a72a42360de2ab52dadfaaec00018e"